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Control.com topic...
Sensors
Topic: Sensor technologies.
from the Instrument Design Department department...
Suitable flowmeter for monomer styrene
Originally posted by Sohrab Amini on 17 June, 2013 - 7:22 am
Looking for a type of flowmeter that can be handle monomer styrene
New Replies:
You should consider a coriolis flow meter with a heating jacket to standardise the temperature of...
Topic: Continuous process industries, DCS questions.
from the instrumentation and process control department...
dp type flow transmitter pressure
Originally posted by ASIF AFRIDI on 14 June, 2013 - 11:08 pm
dp type flow transmitter pressure value varies
New Replies:
Have a look at the size of your transmitter. If the transmitter is to big its natural acceptable...
Topic: Sensor technologies.
from the Forum department...
Shaft displacement equipment (VIBROMETER)
Posted by F M on 16 June, 2013 - 1:40 am
Vibrometer proximity sensors TQ402 for vibration measurement of the gas compressor shafts.
Topic: Application Questions and Problems
from the Forum department...
Smartphone Automation
Posted by Ken on 15 June, 2013 - 11:01 am
Anyone familiar or have experience with home automation with Smartphone capability?
Topic: Sensor technologies.
from the Instrumentation department...
Temperature compensation for gas flow measurement
Originally posted by ABG on 12 June, 2013 - 3:30 am
Temperature compensation for gas flow measurement
New Replies:
It really depends on the application and what you are trying to measure, in particular actual or...
Topic: Sensor technologies.
from the Forum department...
Flow rate
Posted by Marc Fran Daniel on 12 June, 2013 - 10:47 am
Which sensor is suitable to measure the flowrate/ viscosity of latex for circular flow in a beaker?
Topic: Sensor technologies.
from the Open Source? department...
Wire Pull Sensor Protocol
Originally posted by Randy on 6 June, 2013 - 10:55 pm
Looking for an open source or inexpensive protocol for a wire pull sensor
New Replies:
No and not very likely. I never say never. Regards cww...
Is CANopen considered ModBus? I have found a draw wire sensors that work with the CANopen protocol....
Thanks for all the information. I am currently on my phone but will go through all of this when I...
> Tell us exactly what you mean by "wire pull sensor" and perhaps I can help. This...
Tell us exactly what you mean by "wire pull sensor" and perhaps I can help. Regards ...
I am working recently with something similar: http://www.slideminder.com/ What is the distance...
Topic: Engineering and workplace issues.
from the instrumentation and control department...
Spurious signals in instrumentation cables
Originally posted by ENERGY on 6 June, 2013 - 2:09 am
There is noise in instrumentation cable to the extent that DCS gets tripped in a Nuclear installation in which cabling is over and trials are being conducted to operationalise it to reach its criticality. What may be the reasons for such spurious signals?
New Replies:
Energy... US Nuclear plants do not use a DCS to control the Nuclear-side of such plants! ...
By Gerald Beaudoin on 7 June, 2013 - 1:14 pm -
So this is what happens in the NUCLEAR industry??? Whoaaaaaa!!!!!...
Well, youve already told us what the problem is - you laid signal cables in the same tray as power...
Topic: Power generation equipment control.
from the Forum department...
Working Principle of Vibration sensor
Originally posted by Md. Nubayeed on 5 June, 2013 - 3:25 am
Working principle of 5485C Metrix Velocity sensor.
New Replies:
Md. Nubayeed, Did you try typing "Metrix 5485C" into your preferred Internet search...
Topic: Power generation equipment control.
from the Forum department...
Troubleshooting failed sensor
Originally posted by Michael Asian on 4 June, 2013 - 6:37 am
Steps to finding out which sensor failed using BOI or HMI in speedtronics mark v
New Replies:
Michael Asian, What makes you believe there is a failed sensor? Because usually, there is...
Topic: Communications systems and equipment.
from the Forum department...
Bidirectional data delivery - 50meters
Originally posted by YakirBen-Aliz on 3 June, 2013 - 12:34 pm
I am looking for the ideal way to transfer data bi-directionaly between sensors/actuators and PLCs and other DAQ devices.
New Replies:
Cable. Good old copper cable....
The better and safety way is using one of well-known field busses as EtherCAT for example. You must...
Topic: Sensor technologies.
from the Engineering department...
Intrinsic Safety Question
Originally posted by Frank Seipel on 14 May, 2013 - 7:31 pm
Question regarding Ex i vs Ex d & mixing
New Replies:
be careful....I think this device is not intrinsically safe. could you give me the complete code? ...
Posted by Efe on 28 May, 2013 - 7:41 am
I am trying to incorporate a safety functionality to detect if a manual valve is open or closed at a valve manifold.
Originally posted by snorf on 24 May, 2013 - 3:31 pm
Need to choose from many different sensor technologies to detect if spray nozzles are clogged or not.
New Replies:
A small venturi could be made that would have low pressure drop. There are a number of PCB level DP...
I have used thermal dispersion flow switches in liquids several times. They have some serious...
Originally posted by The miracle worker on 10 February, 2013 - 12:08 pm
Possible issue with WX compensation cable to DCS reading of Thermocouple temperature?
New Replies:
> Can i know, what will be the temperature reading in the DCS when Thermocouple burnout occurs? ...
First: Replace the K Thermocouple with its cable If the measure is not accurate then there is a...
>Electrical noise due to HT cables... >Rans near to thermocouple cable.... > >mV may...
Topic: Software, including programming, OS issues, etc.
from the Maintenance department...
LIquid Fuel Bypass Valve Mark V Flame 5 (MS5001)
Originally posted by STEVEN on 21 May, 2013 - 12:31 pm
Load running at limitation when running on fuel oil.
New Replies:
Hi Steven, I am not sure which brand of bypass valve is used in your application. Base on my...
Hi CSA, May I know more about how the fuel pump clutch work on GE Frame V machine? I heard that...
STEVEN, I don't know of any way to test for passing of the liquid fuel bypass valve when the...
Topic: Continuous process industries, DCS questions.
from the Forum department...
Connecting level switch
Originally posted by Junior on 15 May, 2013 - 5:42 pm
When is the point when I connect the liquid level control?
New Replies:
If the pump is centrifugal pump, than stopping it would not stop the flow. You have to close the...
Topic: Motion control, servos, steppers, etc.
from the How is independent control possible department...
Torque and speed control in BLDC motors
Originally posted by Sadiq Mohamed on 17 June, 2010 - 7:55 am
I want to know the details of a speed control for a BLDC motors. I want to know the relation between the torque variation during speed control.
New Replies:
Hello all, In your situation is very useful to search the information provided by PIC's...
Topic: Motion control, servos, steppers, etc.
from the Forum department...
Basic (I think) signal conversion question
Originally posted by Kenny on 9 May, 2013 - 2:09 pm
Convert rs422 to 4-20mA?
New Replies:
> I can only get the magnet strips with rs422 output (I gather this is essentially...
Topic: Sensor technologies.
from the Forum department...
Turbine flowmeter error
Originally posted by Petre Popescu on 22 April, 2013 - 2:42 am
Turbine flowmeter reading much more than should be
New Replies:
> The turbine meters that I'm familiar with are mechanical turbines, but > electronic...
Topic: Sensor technologies.
from the Moore TRY Connection Problem department...
Moore TRY Temperature Transmitters Configuration problem
Posted by Ahmed on 7 May, 2013 - 10:43 am
Moore TRY Temp connection to PC problem
Topic: Engineering and workplace issues.
from the INSTRUMENT department...
LEVEL TRANSMITTER 3300 SERIES ROSEMOUNT
Originally posted by umair on 11 April, 2013 - 3:00 am
When temperature fluctuates the level goes beyond correct level giving some peaks. How to control the level even if the temperature changes?
New Replies:
Hi, 1- May i know what is the product? 2- Considering on the probes selection. HTHP and HP? ...
Hi, the Guide Wave Radar is not influenced by temperature or anything else for that matter. The...
Topic: Motion control, servos, steppers, etc.
from the Hydraulic department...
A10VSO71 And VT5041-3X (Rexroth)
Posted by Acramatic on 6 May, 2013 - 12:30 pm
Closed Loop Control Axial Variable Piston Pump (Hydraulic)
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